[time-nuts] LCD display connector

Javier Herrero jherrero at hvsistemas.es
Mon Jan 3 23:40:23 UTC 2011


I've used isopropanol for cleaning the display connectors and the 
elastomer strip with sucess (last time for a Becker Mexico car radio...)

El 03/01/2011 23:55, Jim Palfreyman escribió:
> Hi All,
>
> The item is indeed the "zebra strip".
>
> Alignment is pretty good (I think) as the case ensures it.
>
> So it sounds like it might need a clean. I shall look into that one...
>
> Postscript... Just searched the world for DeoxIT and it turns out the local
> Australian supplier has a shop 50m from where I work. Yeah!!
>
> Jim
>
>
> On 4 January 2011 07:58, Robert Atkinson<robert8rpi at yahoo.co.uk>  wrote:
>
>> Hi,
>> There are (at least) two types of connector. Some displays use both types.
>> First is "Zebra-strip" which is an elastomer sandwich of
>> conducting/insulating material that conducts vertically but not
>> horizontally. These rely on mechanical clamping and are what Gary  is
>> referring to. The other is a tape with conductive tracks that is stuck
>> down. I think this is what Jim has. These can sometimes be re-attached by
>> burnishing with a rounded tool. If they have come completely unstuck  I've
>> had some sucess by holding it in place with thin adhesive (Kapton) tape and
>> applying pressure with a foam block between the strip and the case. Good
>> luck.
>>
>> Robert G8RPI.
>>
>> --- On Mon, 3/1/11, gary<lists at lazygranch.com>  wrote:
>>
>>
>> From: gary<lists at lazygranch.com>
>> Subject: Re: [time-nuts] LCD display connector
>> To: "Discussion of precise time and frequency measurement"<
>> time-nuts at febo.com>
>> Date: Monday, 3 January, 2011, 20:40
>>
>>
>> You need to clean the elastomer. I've done this with Caig deoxit, though
>> I would search their website to see if they have a special product for
>> the task.
>>
>> http://store.caig.com/
>>
>> Generally the LCD is just pressed against the elastomer, so you may need
>> to see that the pressure is sufficient.
>>
>> On 1/3/2011 12:34 PM, Jim Palfreyman wrote:
>>> Apologies for being a teensy tiny bit OT. But is relevant on the whole.
>>>
>>> I have a remote control for an air conditioner whos display is only
>>> partially working.
>>>
>>> Upon internal inspection it seems the sticky thingy (technical term)
>>> connecting the LCD display to the board is not attached properly.
>>>
>>> Any hints on how to reattach these?
>>>
>>> Jim Palfreyman
>>>
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-- 
------------------------------------------------------------------------
Javier Herrero                            EMAIL: jherrero at hvsistemas.com
Chief Technology Officer
HV Sistemas S.L.                          PHONE:         +34 949 336 806
Los Charcones, 17                         FAX:           +34 949 336 792
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